The valleys gave an assured source of abundant food and water.
the Nile river
In Nile River
Ruins of early civilizations were most commonly found in valleys formed by the flow of dried out rivers.
They were in fertile river valleys that had good soil to farm on.
Around productive, well watered land, usually river valleys.
rift valleys develop as a result of the diverging forces* of the earth. *Forces mean movements - 1. slow earth movements 2. Rapid earth movements Rift valleys develop as a result of slow earth movements.
The occupied fertile river valleys, which gave them the surplus produce on which civilisation could develop.
i would have to say, basins in rift valleys. but if i am wrong, let me know what it really is.
Fog can often develop in places that are near to bodies of water. They can also occur on flat-lying land and in valleys especially if the land is warmer than the air above it.
Geography dictated it - settlements in valleys divided by mountains and water grew larger into city-states.
develop cultural differences and lack political unity